Credits and IVOA Identifiers in SSA0.97
Alberto.Micol at eso.org
Mon Dec 18 10:02:27 PST 2006
On Dec 18, 2006, at 16:35, Doug Tody wrote:
> Probably STECF is the Creator of this data collection. You should
> define registry entries for Creator and Collection, and each spectrum
> should have a unique CreatorDID within the collection. If we then
> replicate the collection at MAST and CADC, those are Publishers
> and have their own PublisherDID for each dataset, with Creator
> and CreatorDID unchanged.
I like the fact that CreatorDID remains the original one. That makes
to compare two products from different publishers, and see whether
actually the same product or not.
And, I guess, also the DataID.Collection should remain untouched in
It will be via the DataID.Collection that a user could look up into
to see whether the same collection can be retrieved from a different
(e.g. when there is a network problem, etc). The problem though is that
the Collection as defined in 188.8.131.52 is not necessarily unique, it
a ivoa identifier.
How to give credits in general?
In particular: there might be cases where a second creator/publisher
(slightly or heavily) the products originated by the first creator.
In that case Creator, CreatorDID, Publisher and PublisherDID will all be
related to the second creator, and information about the first one
How to give credit to the first Creator?
DataID.Creator is a recommended field and
Curation.Publisher is a mandatory fields.
Those are short strings, not at all guaranteed to be unique.
Why not mandating the usage of the CreatorID and PublisherID
being them ivo identifiers? Important to look them up into the
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